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Finding the Fourth Proportional to 297,018.68, 445,380.62 and 94,588.40

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Solution

The fourth proportional to 297,018.68, 445,380.62 and 94,588.40 is: 141,835.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,018.68 : 445,380.62 = 94,588.40 : x
  2. Step 2: Convert to fraction form
    297,018.68/445,380.62 = 94,588.40/x
  3. Step 3: Cross multiply
    297,018.68x = 445,380.62 × 94,588.40
  4. Step 4: Simplify right side
    297,018.68x = 42,127,837,536.96
  5. Step 5: Solve for x
    x = 42,127,837,536.96/297,018.68
  6. Step 6: Final answer
    x = 141,835.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.